One Family Foundation was built to serve. Our work is guided by a simple principle: support those closest to the problem in co-creating the solution.
Our philosophy
Not “I” but “We
We exist not to build our name, but to amplify the efforts of communities, governments, and innovators working toward a more just world. As honest brokers, our role is to:
Mediate cross-sector collaboration
Reduce competition for credit
Provide safe space for trust and co-creation
Remain agile, neutral, and focused on systems — not silos
The Board
Jeroo Billimoria
Board Member and Convener of GCSI
A pioneering social entrepreneur behind multiple global movements, including Child & Youth Finance International and Catalyst 2030. Jeroo is known for her humility, systems thinking, and deep-rooted belief in youth-led and community-driven change.
Bertjan Janzen
Co-Founder & Chair of the Board
A strategist and social impact advisor who brings a deep background in organizational design and policy advocacy. Bertjan co-founded One Family Foundation to strengthen the infrastructure for long-term development ecosystems.
Kristine Kohlstrand
Secretary to the Board
Oversees compliance and supports governance, coordination, and accountability across the Foundation’s work.
Koen Vermeltvoort
Treasurer
Drives the Foundation’s financial transparency, compliance, and resource accountability.
Our Team
Bram van Eijk
Executive Director
Leads day-to-day operations and oversees program execution across all regions.
Veerle Klijn
Head of Policy & Advocacy
Leads policy strategy and engagement, working with governments to advance social innovation at a systemic level.
Tiffany Bennett
Senior Researcher
Leads research and analysis to inform strategy and strengthen the Foundation’s global initiatives.
Nate Harding
Head of Global Engagement
Leads engagement and partnerships to strengthen the Foundation’s global work.
Paula Conaghan
Head of Operations and Communications
Manages internal systems, strategic messaging, and external partner engagement.
Yesha Oza
Operations, Finance and DDP Coordinator
Oversees operations, finance, and coordination of the Distributed Development Platform.
Aissatou Ndiaye Sarr
Research Intern
Karolína Kučerová
Research Intern
Lavisha Agarwal
Research Intern Asia
Annual Reports
One Family Foundation has annual reports and financial statements dating from 2018. Please get in touch with us if you would like a copy of the reports not published on this website
We're always on the lookout for passionate, values-aligned individuals, from interns and fellows to senior collaborators. If you’re excited by systems thinking, local empowerment, and cross-sector change, we’d love to hear from you.
